The DIE RRHS 1 3/8-6 X 2 1/2 OD from Field Tool Supply is a high-quality threading die designed for precision cutting. This die features a 1 3/8-inch diameter with a 6 threads per inch specification, making it ideal for various metalworking applications. Constructed from durable high-speed steel, it ensures longevity and reliability in tough environments. The outer diameter measures 2 1/2 inches, providing a robust grip for easy handling. This die is perfect for creating clean, accurate threads on rods and pipes, compatible with standard threading machines. Whether you're a professional machinist or a DIY enthusiast, this die is essential for achieving precise threading results.